From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v4 01/11] clk: sunxi-ng: a64: Add minimal rate for video PLLs Date: Wed, 5 Sep 2018 09:16:31 +0200 Message-ID: <20180905071631.pke35tfyyeahdi3i@flea> References: <20180904044053.15425-1-icenowy@aosc.io> <20180904044053.15425-2-icenowy@aosc.io> Reply-To: maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="7oe2u3mvnqtubzhr" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <20180904044053.15425-2-icenowy-h8G6r0blFSE@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Icenowy Zheng Cc: Chen-Yu Tsai , Jagan Teki , Jernej Skrabec , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org --7oe2u3mvnqtubzhr Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline On Tue, Sep 04, 2018 at 12:40:43PM +0800, Icenowy Zheng wrote: > From: Jagan Teki > > According to documentation and experience with other similar SoCs, video > PLLs don't work stable if their output frequency is set below 192 MHz. > > Because of that, set minimal rate to both A64 video PLLs to 192 MHz. > > Signed-off-by: Jagan Teki > Signed-off-by: Icenowy Zheng > Reviewed-by: Jernej Skrabec Applied, thanks Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --7oe2u3mvnqtubzhr--